Efficient encoding/decoding in the decomposition and...

Details Efficient encoding/decoding in the decomposition and... Efficient encoding/decoding in the decomposition and...

H - Electricity

04

N

354/67

H04N 1/417 (2006.01) G06T 3/40 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2014936

EFFICIENT ENCODING/DECODING IN THE DECOMPOSITION AND RECOMPOSITION OF A HIGH RESOLUTION IMAGE Abstract More efficient encoding/decoding in decomposing and decomposing a high resolution image is obtained by employing a unique pixel cluster arrangement. The pixel clusters of an image are classified as one of a plurality of classifications. A unique encoding/decoding technique is assigned to each classification. In one embodiment, a cluster including at least one high resolution pixel to be recomposed from a corresponding low resolution pixel which is a so-called exception to general prediction rules is classified as a first classification. A cluster including no pixels which are exceptions is classified as a second classification. Supplemental information is encoded/decoded for all pixels in a cluster classified as the first classification. Pixels in the cluster classified as the second classification are encoded/decoded according to the general prediction rules. (FIG. 1)

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